1 /* $NetBSD: disklabel.h,v 1.128 2024/04/10 20:00:12 andvar Exp $ */ 2 3 /* 4 * Copyright (c) 1987, 1988, 1993 5 * The Regents of the University of California. All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 3. Neither the name of the University nor the names of its contributors 16 * may be used to endorse or promote products derived from this software 17 * without specific prior written permission. 18 * 19 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 20 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 21 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 22 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 23 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 24 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 25 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 26 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 27 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 28 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 29 * SUCH DAMAGE. 30 * 31 * @(#)disklabel.h 8.2 (Berkeley) 7/10/94 32 */ 33 34 #ifndef _SYS_DISKLABEL_H_ 35 #define _SYS_DISKLABEL_H_ 36 37 /* 38 * We need <machine/types.h> for __HAVE_OLD_DISKLABEL 39 */ 40 #ifndef _LOCORE 41 #include <sys/types.h> 42 #endif 43 44 /* 45 * Each disk has a label which includes information about the hardware 46 * disk geometry, filesystem partitions, and drive specific information. 47 * The location of the label, as well as the number of partitions the 48 * label can describe and the number of the "whole disk" (raw) 49 * partition are machine dependent. 50 */ 51 #if HAVE_NBTOOL_CONFIG_H 52 #undef MAXPARTITIONS 53 #define MAXPARTITIONS MAXMAXPARTITIONS 54 #else 55 #include <machine/disklabel.h> 56 #endif /* HAVE_NBTOOL_CONFIG_H */ 57 58 /* 59 * The absolute maximum number of disk partitions allowed. 60 * This is the maximum value of MAXPARTITIONS for which 'struct disklabel' 61 * is <= DEV_BSIZE bytes long. If MAXPARTITIONS is greater than this, beware. 62 */ 63 #define MAXMAXPARTITIONS 22 64 #if MAXPARTITIONS > MAXMAXPARTITIONS 65 #warning beware: MAXPARTITIONS bigger than MAXMAXPARTITIONS 66 #endif 67 68 /* 69 * Ports can switch their MAXPARTITIONS once, as follows: 70 * 71 * - define OLDMAXPARTITIONS in <machine/disklabel.h> as the old number 72 * - define MAXPARTITIONS as the new number 73 * - define DISKUNIT, DISKPART and DISKMINOR macros in <machine/disklabel.h> 74 * as appropriate for the port (see the i386 one for an example). 75 * - define __HAVE_OLD_DISKLABEL in <machine/types.h> 76 */ 77 78 #if defined(_KERNEL) && defined(__HAVE_OLD_DISKLABEL) && \ 79 (MAXPARTITIONS < OLDMAXPARTITIONS) 80 #error "can only grow disklabel size" 81 #endif 82 83 84 /* 85 * Translate between device numbers and major/disk unit/disk partition. 86 */ 87 #ifndef __HAVE_OLD_DISKLABEL 88 #if !HAVE_NBTOOL_CONFIG_H 89 #define DISKUNIT(dev) (minor(dev) / MAXPARTITIONS) 90 #define DISKPART(dev) (minor(dev) % MAXPARTITIONS) 91 #define DISKMINOR(unit, part) \ 92 (((unit) * MAXPARTITIONS) + (part)) 93 #endif /* !HAVE_NBTOOL_CONFIG_H */ 94 #endif 95 #define MAKEDISKDEV(maj, unit, part) \ 96 (makedev((maj), DISKMINOR((unit), (part)))) 97 98 #define DISKMAGIC ((uint32_t)0x82564557) /* The disk magic number */ 99 100 #ifndef _LOCORE 101 struct partition { /* the partition table */ 102 uint32_t p_size; /* number of sectors in partition */ 103 uint32_t p_offset; /* starting sector */ 104 union { 105 uint32_t fsize; /* FFS, ADOS: filesystem basic fragment size */ 106 uint32_t cdsession; /* ISO9660: session offset */ 107 } __partition_u2; 108 #define p_fsize __partition_u2.fsize 109 #define p_cdsession __partition_u2.cdsession 110 uint8_t p_fstype; /* filesystem type, see below */ 111 uint8_t p_frag; /* filesystem fragments per block */ 112 union { 113 uint16_t cpg; /* UFS: FS cylinders per group */ 114 uint16_t sgs; /* LFS: FS segment shift */ 115 } __partition_u1; 116 #define p_cpg __partition_u1.cpg 117 #define p_sgs __partition_u1.sgs 118 }; 119 120 /* 121 * We'd rather have disklabel be the same size on 32 and 64 bit systems 122 * but it really isn't. In revision 108 matt@ tried to do that by adding 123 * un_d_pad as a uint64_t. This was really smart because the net effect 124 * was to grow the struct by 4 bytes on most LP32 machines and make it 125 * the same as LP64 without changing the layout (which is a nono because 126 * it is stored on existing disks). The easy way would have been to add 127 * padding at the end, but that would have been confusing (although that 128 * is what actually happens), because the partitions structure is supposed 129 * to be variable size and putting a padding uint32_t would be weird. 130 * Unfortunately mips32 and i386 align uint64_t standalone at an 8 byte 131 * boundary, but in structures at a 4 byte boundary so matt's 132 * change did not affect them. 133 * 134 * We also prefer to have the structure 4 byte aligned so that the 135 * subr_disk_mbr.c code that scans for label does not trigger ubsan 136 * when comparing magic (without making the code ugly). To do this 137 * we can unexpose the d_boot{0,1} pointers in the kernel (so that 138 * LP64 systems can become 4 byte aligned) and at the same time 139 * remove the un_d_pad member and add padding at the end. The d_boot{0,1} 140 * fields are only used in userland in getdiskbyname(3), filled with 141 * the names of the primary and secondary bootstrap from /etc/disktab. 142 * 143 * While this is a way forward, it is not clear that it is the best 144 * way forward. The ubsan warning is incorrect and the code 145 * will always work since d_magic is always 4 byte aligned even 146 * when structure disklabel is not 8 byte aligned, so what we do 147 * now is ignore it. Another way would be to do offset arithmetic 148 * on the pointer and use it as a char *. That would not prevent 149 * other misaligned accesses in the future. Finally one could 150 * copy the unaligned structure to an aligned one, but that eats 151 * up space on the stack. 152 */ 153 struct disklabel { 154 uint32_t d_magic; /* the magic number */ 155 uint16_t d_type; /* drive type */ 156 uint16_t d_subtype; /* controller/d_type specific */ 157 char d_typename[16]; /* type name, e.g. "eagle" */ 158 159 /* 160 * d_packname contains the pack identifier and is returned when 161 * the disklabel is read off the disk or in-core copy. 162 * d_boot0 and d_boot1 are the (optional) names of the 163 * primary (block 0) and secondary (block 1-15) bootstraps 164 * as found in /usr/mdec. These are returned when using 165 * getdiskbyname(3) to retrieve the values from /etc/disktab. 166 */ 167 union { 168 char un_d_packname[16]; /* pack identifier */ 169 struct { 170 char *un_d_boot0; /* primary bootstrap name */ 171 char *un_d_boot1; /* secondary bootstrap name */ 172 } un_b; 173 uint64_t un_d_pad; /* force 8 byte alignment */ 174 } d_un; 175 #define d_packname d_un.un_d_packname 176 #define d_boot0 d_un.un_b.un_d_boot0 177 #define d_boot1 d_un.un_b.un_d_boot1 178 179 /* disk geometry: */ 180 uint32_t d_secsize; /* # of bytes per sector */ 181 uint32_t d_nsectors; /* # of data sectors per track */ 182 uint32_t d_ntracks; /* # of tracks per cylinder */ 183 uint32_t d_ncylinders; /* # of data cylinders per unit */ 184 uint32_t d_secpercyl; /* # of data sectors per cylinder */ 185 uint32_t d_secperunit; /* # of data sectors per unit */ 186 187 /* 188 * Spares (bad sector replacements) below are not counted in 189 * d_nsectors or d_secpercyl. Spare sectors are assumed to 190 * be physical sectors which occupy space at the end of each 191 * track and/or cylinder. 192 */ 193 uint16_t d_sparespertrack; /* # of spare sectors per track */ 194 uint16_t d_sparespercyl; /* # of spare sectors per cylinder */ 195 /* 196 * Alternative cylinders include maintenance, replacement, 197 * configuration description areas, etc. 198 */ 199 uint32_t d_acylinders; /* # of alt. cylinders per unit */ 200 201 /* hardware characteristics: */ 202 /* 203 * d_interleave, d_trackskew and d_cylskew describe perturbations 204 * in the media format used to compensate for a slow controller. 205 * Interleave is physical sector interleave, set up by the 206 * formatter or controller when formatting. When interleaving is 207 * in use, logically adjacent sectors are not physically 208 * contiguous, but instead are separated by some number of 209 * sectors. It is specified as the ratio of physical sectors 210 * traversed per logical sector. Thus an interleave of 1:1 211 * implies contiguous layout, while 2:1 implies that logical 212 * sector 0 is separated by one sector from logical sector 1. 213 * d_trackskew is the offset of sector 0 on track N relative to 214 * sector 0 on track N-1 on the same cylinder. Finally, d_cylskew 215 * is the offset of sector 0 on cylinder N relative to sector 0 216 * on cylinder N-1. 217 */ 218 uint16_t d_rpm; /* rotational speed */ 219 uint16_t d_interleave; /* hardware sector interleave */ 220 uint16_t d_trackskew; /* sector 0 skew, per track */ 221 uint16_t d_cylskew; /* sector 0 skew, per cylinder */ 222 uint32_t d_headswitch; /* head switch time, usec */ 223 uint32_t d_trkseek; /* track-to-track seek, usec */ 224 uint32_t d_flags; /* generic flags */ 225 #define NDDATA 5 226 uint32_t d_drivedata[NDDATA]; /* drive-type specific information */ 227 #define NSPARE 5 228 uint32_t d_spare[NSPARE]; /* reserved for future use */ 229 uint32_t d_magic2; /* the magic number (again) */ 230 uint16_t d_checksum; /* xor of data incl. partitions */ 231 232 /* filesystem and partition information: */ 233 uint16_t d_npartitions; /* number of partitions in following */ 234 uint32_t d_bbsize; /* size of boot area at sn0, bytes */ 235 uint32_t d_sbsize; /* max size of fs superblock, bytes */ 236 struct partition d_partitions[MAXPARTITIONS]; 237 /* the partition table, actually may be more */ 238 }; 239 240 #if defined(__HAVE_OLD_DISKLABEL) && !HAVE_NBTOOL_CONFIG_H 241 /* 242 * Same as above, but with OLDMAXPARTITIONS partitions. For use in 243 * the old DIOC* ioctl calls. 244 */ 245 struct olddisklabel { 246 uint32_t d_magic; 247 uint16_t d_type; 248 uint16_t d_subtype; 249 char d_typename[16]; 250 union { 251 char un_d_packname[16]; 252 struct { 253 char *un_d_boot0; 254 char *un_d_boot1; 255 } un_b; 256 } d_un; 257 uint32_t d_secsize; 258 uint32_t d_nsectors; 259 uint32_t d_ntracks; 260 uint32_t d_ncylinders; 261 uint32_t d_secpercyl; 262 uint32_t d_secperunit; 263 uint16_t d_sparespertrack; 264 uint16_t d_sparespercyl; 265 uint32_t d_acylinders; 266 uint16_t d_rpm; 267 uint16_t d_interleave; 268 uint16_t d_trackskew; 269 uint16_t d_cylskew; 270 uint32_t d_headswitch; 271 uint32_t d_trkseek; 272 uint32_t d_flags; 273 uint32_t d_drivedata[NDDATA]; 274 uint32_t d_spare[NSPARE]; 275 uint32_t d_magic2; 276 uint16_t d_checksum; 277 uint16_t d_npartitions; 278 uint32_t d_bbsize; 279 uint32_t d_sbsize; 280 struct opartition { 281 uint32_t p_size; 282 uint32_t p_offset; 283 union { 284 uint32_t fsize; 285 uint32_t cdsession; 286 } __partition_u2; 287 uint8_t p_fstype; 288 uint8_t p_frag; 289 union { 290 uint16_t cpg; 291 uint16_t sgs; 292 } __partition_u1; 293 } d_partitions[OLDMAXPARTITIONS]; 294 }; 295 #endif /* __HAVE_OLD_DISKLABEL */ 296 #else /* _LOCORE */ 297 /* 298 * offsets for asm boot files. 299 */ 300 .set d_secsize,40 301 .set d_nsectors,44 302 .set d_ntracks,48 303 .set d_ncylinders,52 304 .set d_secpercyl,56 305 .set d_secperunit,60 306 .set d_end_,148+(MAXPARTITIONS*16) 307 #endif /* _LOCORE */ 308 309 /* 310 * We normally use C99 initialisers (just in case the lists below are out 311 * of sequence, or have gaps), but lint doesn't grok them. 312 * Maybe some host compilers don't either, but many have for quite some time. 313 */ 314 315 #ifndef lint 316 #define ARRAY_INIT(element,value) [element]=value 317 #else 318 #define ARRAY_INIT(element,value) value 319 #endif 320 321 /* Use pre-processor magic to get all the parameters one one line... */ 322 323 /* d_type values: */ 324 #define DKTYPE_DEFN(x) \ 325 x(UNKNOWN, 0, "unknown") \ 326 x(SMD, 1, "SMD") /* SMD, XSMD; VAX hp/up */ \ 327 x(MSCP, 2, "MSCP") /* MSCP */ \ 328 x(DEC, 3, "old DEC") /* other DEC (rk, rl) */ \ 329 x(SCSI, 4, "SCSI") /* SCSI */ \ 330 x(ESDI, 5, "ESDI") /* ESDI interface */ \ 331 x(ST506, 6, "ST506") /* ST506 etc. */ \ 332 x(HPIB, 7, "HP-IB") /* CS/80 on HP-IB */ \ 333 x(HPFL, 8, "HP-FL") /* HP Fiber-link */ \ 334 x(TYPE_9, 9, "type 9") \ 335 x(FLOPPY, 10, "floppy") /* floppy */ \ 336 x(CCD, 11, "ccd") /* concatenated disk device */ \ 337 x(VND, 12, "vnd") /* uvnode pseudo-disk */ \ 338 x(ATAPI, 13, "ATAPI") /* ATAPI */ \ 339 x(RAID, 14, "RAID") /* RAIDframe */ \ 340 x(LD, 15, "ld") /* logical disk */ \ 341 x(JFS2, 16, "jfs") /* IBM JFS2 */ \ 342 x(CGD, 17, "cgd") /* cryptographic pseudo-disk */ \ 343 x(VINUM, 18, "vinum") /* vinum volume */ \ 344 x(FLASH, 19, "flash") /* flash memory devices */ \ 345 x(DM, 20, "dm") /* device-mapper pseudo-disk devices */\ 346 x(RUMPD, 21, "rumpd") /* rump virtual disk */ \ 347 x(MD, 22, "md") /* memory disk */ \ 348 349 #ifndef _LOCORE 350 #define DKTYPE_NUMS(tag, number, name) __CONCAT(DKTYPE_,tag=number), 351 #ifndef DKTYPE_ENUMNAME 352 #define DKTYPE_ENUMNAME 353 #endif 354 enum DKTYPE_ENUMNAME { DKTYPE_DEFN(DKTYPE_NUMS) DKMAXTYPES }; 355 #undef DKTYPE_NUMS 356 #endif 357 358 #ifdef DKTYPENAMES 359 #define DKTYPE_NAMES(tag, number, name) ARRAY_INIT(number,name), 360 static const char *const dktypenames[] = { DKTYPE_DEFN(DKTYPE_NAMES) NULL }; 361 #undef DKTYPE_NAMES 362 #endif 363 364 /* 365 * Partition type names, numbers, label-names, fsck prog, and mount prog 366 */ 367 #define FSTYPE_DEFN(x) \ 368 x(UNUSED, 0, "unused", NULL, NULL) /* unused */ \ 369 x(SWAP, 1, "swap", NULL, NULL) /* swap */ \ 370 x(V6, 2, "Version 6", NULL, NULL) /* Sixth Edition */ \ 371 x(V7, 3, "Version 7", "v7fs", "v7fs") /* Seventh Edition */ \ 372 x(SYSV, 4, "System V", NULL, NULL) /* System V */ \ 373 x(V71K, 5, "4.1BSD", NULL, NULL) /* V7, 1K blocks (4.1, 2.9) */ \ 374 x(V8, 6, "Eighth Edition",NULL, NULL) /* Eighth Edition, 4K blocks */ \ 375 x(BSDFFS, 7, "4.2BSD", "ffs", "ffs") /* 4.2BSD fast file system */ \ 376 x(MSDOS, 8, "MSDOS", "msdos", "msdos") /* MSDOS file system */ \ 377 x(BSDLFS, 9, "4.4LFS", "lfs", "lfs") /* 4.4BSD log-structured FS */ \ 378 x(OTHER, 10, "unknown", NULL, NULL) /* in use, unknown/unsupported */\ 379 x(HPFS, 11, "HPFS", NULL, NULL) /* OS/2 high-performance FS */ \ 380 x(ISO9660, 12, "ISO9660", NULL, "cd9660")/* ISO 9660, normally CD-ROM */ \ 381 x(BOOT, 13, "boot", NULL, NULL) /* bootstrap code in partition */\ 382 x(ADOS, 14, "ADOS", NULL, "ados") /* AmigaDOS fast file system */ \ 383 x(HFS, 15, "HFS", NULL, NULL) /* Macintosh HFS */ \ 384 x(FILECORE,16, "FILECORE", NULL, "filecore")/* Acorn Filecore FS */ \ 385 x(EX2FS, 17, "Linux Ext2","ext2fs","ext2fs")/* Linux Extended 2 FS */ \ 386 x(NTFS, 18, "NTFS", NULL, "ntfs") /* Windows/NT file system */ \ 387 x(RAID, 19, "RAID", NULL, NULL) /* RAIDframe component */ \ 388 x(CCD, 20, "ccd", NULL, NULL) /* concatenated disk component */\ 389 x(JFS2, 21, "jfs", NULL, NULL) /* IBM JFS2 */ \ 390 x(APPLEUFS,22, "Apple UFS", "ffs", "ffs") /* Apple UFS */ \ 391 /* XXX this is not the same as FreeBSD. How to solve? */ \ 392 x(VINUM, 23, "vinum", NULL, NULL) /* Vinum */ \ 393 x(UDF, 24, "UDF", NULL, "udf") /* UDF */ \ 394 x(SYSVBFS, 25, "SysVBFS", NULL, "sysvbfs")/* System V boot file system */ \ 395 x(EFS, 26, "EFS", NULL, "efs") /* SGI's Extent Filesystem */ \ 396 x(NILFS, 27, "NiLFS", NULL, "nilfs") /* NTT's NiLFS(2) */ \ 397 x(CGD, 28, "cgd", NULL, NULL) /* Cryptographic disk */ \ 398 x(MINIXFS3,29, "MINIX FSv3", NULL, NULL) /* MINIX file system v3 */ \ 399 x(VMKCORE, 30, "VMware vmkcore", NULL, NULL) /* VMware vmkcore */ \ 400 x(VMFS, 31, "VMware VMFS", NULL, NULL) /* VMware VMFS */ \ 401 x(VMWRESV, 32, "VMware Reserved", NULL, NULL) /* VMware reserved */ \ 402 x(ZFS, 33, "ZFS", NULL, "zfs") /* ZFS */ 403 404 405 #ifndef _LOCORE 406 #define FS_TYPENUMS(tag, number, name, fsck, mount) __CONCAT(FS_,tag=number), 407 #ifndef FSTYPE_ENUMNAME 408 #define FSTYPE_ENUMNAME 409 #endif 410 enum FSTYPE_ENUMNAME { FSTYPE_DEFN(FS_TYPENUMS) FSMAXTYPES }; 411 #undef FS_TYPENUMS 412 #endif 413 414 #ifdef FSTYPENAMES 415 #define FS_TYPENAMES(tag, number, name, fsck, mount) ARRAY_INIT(number,name), 416 static const char *const fstypenames[] = { FSTYPE_DEFN(FS_TYPENAMES) NULL }; 417 #undef FS_TYPENAMES 418 #endif 419 420 #ifdef FSCKNAMES 421 /* These are the names MOUNT_XXX from <sys/mount.h> */ 422 #define FS_FSCKNAMES(tag, number, name, fsck, mount) ARRAY_INIT(number,fsck), 423 static const char *const fscknames[] = { FSTYPE_DEFN(FS_FSCKNAMES) NULL }; 424 #undef FS_FSCKNAMES 425 #define FSMAXNAMES FSMAXTYPES 426 #endif 427 428 #ifdef MOUNTNAMES 429 /* These are the names MOUNT_XXX from <sys/mount.h> */ 430 #define FS_MOUNTNAMES(tag, number, name, fsck, mount) ARRAY_INIT(number,mount), 431 static const char *const mountnames[] = { FSTYPE_DEFN(FS_MOUNTNAMES) NULL }; 432 #undef FS_MOUNTNAMES 433 #define FSMAXMOUNTNAMES FSMAXTYPES 434 #endif 435 436 /* 437 * flags shared by various drives: 438 */ 439 #define D_REMOVABLE 0x01 /* removable media */ 440 #define D_ECC 0x02 /* supports ECC */ 441 #define D_BADSECT 0x04 /* supports bad sector forw. */ 442 #define D_RAMDISK 0x08 /* disk emulator */ 443 #define D_CHAIN 0x10 /* can do back-back transfers */ 444 #define D_SCSI_MMC 0x20 /* SCSI MMC sessioned media */ 445 446 /* 447 * Drive data for SMD. 448 */ 449 #define d_smdflags d_drivedata[0] 450 #define D_SSE 0x1 /* supports skip sectoring */ 451 #define d_mindist d_drivedata[1] 452 #define d_maxdist d_drivedata[2] 453 #define d_sdist d_drivedata[3] 454 455 /* 456 * Drive data for ST506. 457 */ 458 #define d_precompcyl d_drivedata[0] 459 #define d_gap3 d_drivedata[1] /* used only when formatting */ 460 461 /* 462 * Drive data for SCSI. 463 */ 464 #define d_blind d_drivedata[0] 465 466 #ifndef _LOCORE 467 /* 468 * Structure used to perform a format or other raw operation, 469 * returning data and/or register values. Register identification 470 * and format are device- and driver-dependent. Currently unused. 471 */ 472 struct format_op { 473 char *df_buf; 474 int df_count; /* value-result */ 475 daddr_t df_startblk; 476 int df_reg[8]; /* result */ 477 }; 478 479 #ifdef _KERNEL 480 /* 481 * Structure used internally to retrieve information about a partition 482 * on a disk. 483 */ 484 struct partinfo { 485 uint64_t pi_offset; 486 uint64_t pi_size; 487 uint32_t pi_secsize; 488 uint32_t pi_bsize; 489 uint8_t pi_fstype; 490 uint8_t pi_frag; 491 uint16_t pi_cpg; 492 uint32_t pi_fsize; 493 }; 494 495 struct disk; 496 497 int disk_read_sectors(void (*)(struct buf *), const struct disklabel *, 498 struct buf *, unsigned int, int); 499 void diskerr(const struct buf *, const char *, const char *, int, 500 int, const struct disklabel *); 501 int setdisklabel(struct disklabel *, struct disklabel *, u_long, 502 struct cpu_disklabel *); 503 const char *readdisklabel(dev_t, void (*)(struct buf *), 504 struct disklabel *, struct cpu_disklabel *); 505 int writedisklabel(dev_t, void (*)(struct buf *), struct disklabel *, 506 struct cpu_disklabel *); 507 const char *convertdisklabel(struct disklabel *, void (*)(struct buf *), 508 struct buf *, uint32_t); 509 int bounds_check_with_label(struct disk *, struct buf *, int); 510 int bounds_check_with_mediasize(struct buf *, int, uint64_t); 511 const char *getfstypename(int); 512 int disklabel_dev_unit(dev_t); 513 #endif 514 #endif /* _LOCORE */ 515 516 #if !defined(_KERNEL) && !defined(_LOCORE) 517 518 #include <sys/cdefs.h> 519 520 #endif 521 522 #endif /* !_SYS_DISKLABEL_H_ */ 523